Engineered for robust performance, this M7 x 53mm Hex Cap Screw is manufactured from high-grade 304 stainless steel. Its superior corrosion resistance and tensile strength make it ideal for critical industrial applications.
| Standard | ASME B18 |
| Material | 304 Stainless Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M7 |
| Length | 53mm |
| Head Width | 20mm |
Designed for demanding industrial environments, this M7 x 53mm Hex Cap Screw features a nominal diameter of M7 and a total length of 53mm. The head, measuring 20mm across flats, allows for secure torque application with standard hex tools. Constructed from premium 304 stainless steel, it offers excellent resistance to rust, corrosion, and degradation in harsh conditions, making it suitable for marine, chemical processing, and outdoor structural assemblies. Its robust design ensures reliable fastening in vibration-prone or high-stress applications.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate hex wrench or socket for the M7 size. 2. Align the screw with the pre-drilled or tapped hole. 3. Thread the screw by hand initially to ensure proper engagement and avoid cross-threading. 4. Tighten the screw to the specified torque using the hex wrench or socket, ensuring a secure fit without over-tightening.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASME B18 |
| Tensile Strength | 75,000 psi (515 MPa) |
| Yield Strength | 30,000 psi (205 MPa) |
| Elongation in 2 in. | 40% min |
| Hardness | Rockwell B95 max |
| Carbon (C) | 0.08% max |
| Chromium (Cr) | 18.0 - 20.0% |
| Nickel (Ni) | 8.0 - 10.5% |
| Manganese (Mn) | 2.00% max |
| Bolt Size | Dry Torque (ft-lbs) | Lubricated Torque (ft-lbs) |
|---|---|---|
| M7 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M7 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using the wrong size hex wrench, leading to stripped heads. | Always use a properly sized hex wrench or socket that fits snugly to prevent damage to the screw head. |
| Cross-threading the screw, causing damage to both the screw and the mating component. | Start threading the screw by hand to confirm alignment before applying any significant torque. |
| Over-tightening the screw, which can lead to material deformation or fastener failure. | Adhere to recommended torque specifications for the application and materials being joined. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Industrial machinery assembly, Marine hardware and structures, Chemical processing equipment, Outdoor architectural elements.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||